2102111113203 has 6 divisors (see below), whose sum is σ = 3036382719084. Its totient is φ = 1401407408796.

The previous prime is 2102111113187. The next prime is 2102111113259. The reversal of 2102111113203 is 3023111112012.

2102111113203 is a `hidden beast` number, since 21 + 0 + 211 + 111 + 320 + 3 = 666.

It is not a de Polignac number, because 2102111113203 - 2⁴ = 2102111113187 is a prime.

It is a super-2 number, since 2×2102111113203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102111113903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116783950725 + ... + 116783950742.

It is an arithmetic number, because the mean of its divisors is an integer number (506063786514).

Almost surely, 2^{2102111113203} is an apocalyptic number.

2102111113203 is a deficient number, since it is larger than the sum of its proper divisors (934271605881).

2102111113203 is a wasteful number, since it uses less digits than its factorization.

2102111113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233567901473 (or 233567901470 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2102111113203 its reverse (3023111112012), we get a palindrome (5125222225215).

The spelling of 2102111113203 in words is "two trillion, one hundred two billion, one hundred eleven million, one hundred thirteen thousand, two hundred three".